Ahoy Me Hearties! Octagon Treasure jewels are 25mm or 1" x 3/4" size. Made of high quality acrylic (Plastic) these pirate gems will add a touch of magic and adventure to your pirate party. They are lightweight yet will sink in water. More shapes / colors available at our store! Ideal for parties, games, treasure chests, favours, or theatrical props, these fun and colourful pirate jewels are a great way to launch your pirate party Use them in a treasure hunting game; your buccaneers will love collecting, and then stashing their loot. Available in a variety of colors. Pirate Octagon jewels are 25mm or 1"size. Ahoy Me Hearties! Made of high quality acrylic these pirate gems will add a touch of magic and adventure to your pirate party. Each one measures around 1 inch. They are lightweight yet will sink in water. Add a touch of magic and adventure with these swashbuckler jewels. Ideal for parties, games, treasure chests, favours, or theatrical props, these fun and colourful pirate jewels are a great way to launch your pirate party, and to get all your fellow shipmates in the swing of things. Use them in a treasure hunting game; your buccaneers will love collecting, and then stashing their loot. The package is all the same color.